Run onos-service stop before killing onos

Change-Id: I5d5423e7c695958b8e23e3b6934dd1263dd65c88
diff --git a/TestON/tests/SCPF/SCPFportLat/SCPFportLat.py b/TestON/tests/SCPF/SCPFportLat/SCPFportLat.py
index ae38911..b29ca81 100644
--- a/TestON/tests/SCPF/SCPFportLat/SCPFportLat.py
+++ b/TestON/tests/SCPF/SCPFportLat/SCPFportLat.py
@@ -122,7 +122,8 @@
                       " before initiating environment setup")
 
         for i in range( main.numCtrls ):
-            main.ONOSbench.onosDie( main.ONOSip[i] )
+            main.ONOSbench.onosStop( main.ONOSip[i] )
+            main.ONOSbench.onosKill( main.ONOSip[i] )
 
         main.log.info( "NODE COUNT = %s" % main.numCtrls )
         main.ONOSbench.createCellFile(main.ONOSbench.ip_address,